Hector The Injector is your go-to tool for injecting sealant into your tubeless tires. Where other injectors clog up due to the thickness of Barkeeper Pro, Hector The Injector keeps performing. Its specially designed wide adapter ensures Barkeeper Pro is injected cleanly, effortlessly and with pinpoint accuracy into your tubeless tire. Hector The Injector has a filling capacity of 100 ml and the precise measurement markings on the side of the syringe help you dose your sealant with precision. Plug it in, fill it up, and ride on! Hector The Injector makes injecting sealant clean, precise and hassle-free. The smart adapter screws straight onto the valve for full control and zero mess. Fits both Presta and Schrader. Hector The Injector is a must-have for every tubeless setup. Recommended Barkeeper/Barkeeper Pro amount Road Bike 30–45 ml MTB 26″, Cross/Gravel 60–75 ml MTB 29″ 100–140 ml Downhill MTB 120–140 ml For a new tubeless setup, use the maximum amount, when topping up, use the minimum.